Charles H. Spurgeon on Psalms 119:130

Light. This "light" hath excellent properties. 1. It is lux manifestans, it manifests itself and all things else. How do I see the sun, but by the sun, by its own light? How do I know the Scripture to be the word of God, but by the light that shineth in it, commending itself to my conscience! So it manifests all things else; it layeth open all frauds and impostures of Satan, the vanity of worldly things, the deceits of the heart, the odiousness of sin. 2. It is lux dirigens, a directing light, that we may see our way and work. As the sun lighteth man to his labour, so doth this direct us in all our conditions: Psalms 119:105. It directs us how to manage ourselves in all conditions. 3. It is lux vivificans, a quickening light. "I am the light of the world: he that followeth me shall not walk in darkness, but shall have the light of life": John 8:12. "Awake thou that sleepest, and arise from the dead, and Christ shall give thee light": Ephesians 5:14. That light was the life of men: so is this spiritual life; it not only discovereth the object, but helpeth the faculty, filleth the soul with life and strength. 4. It is lux exhilarans, a comforting, refreshing, cheering light; and that in two respects. (1) Because it presents us with excellent grounds of comfort. (2) Because it is a soul satisfying light. Condensed from Manton.